package com.yang.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.yang.reggie.common.R;
import com.yang.reggie.entity.User;
import com.yang.reggie.service.UserService;
import com.yang.reggie.utils.SMSUtils;
import com.yang.reggie.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@RestController
@RequestMapping("/user")
@Slf4j
public class UserController {

    @Autowired
    private UserService userService;

    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 发送手机短信验证码
     * @param user
     * @return
     */
    @PostMapping("/sendMsg")
    public R<String> sendMsg(@RequestBody User user, HttpSession session){

        //获取手机号
        String phone = user.getPhone();
        if (StringUtils.isNotEmpty(phone)){
            //生成验证码
            String code = ValidateCodeUtils.generateValidateCode(4).toString();

            log.info("验证码={}",code);

            //调用阿里云短信服务，发送短信
//            SMSUtils.sendMessage("瑞吉外卖","",phone,code);
            //需要将生产的验证码保存到Session
//            session.setAttribute(phone,code);

            //需要将生产的验证码保存到redis中，并且设置有效期
            redisTemplate.opsForValue().set(phone,code,5, TimeUnit.MINUTES);

            return R.success("发送成功");
        }

        return R.error("发送失败");
    }


    @PostMapping("/login")
    public R<User> login(@RequestBody Map map, HttpSession session){

        //获取手机号
        String phone = map.get("phone").toString();
        //获取验证码
        String code = map.get("code").toString();

        //从Session中获取验证码
//        Object codeSession = session.getAttribute(phone);

        //从Redis中获取验证码
        Object codeSession = redisTemplate.opsForValue().get(phone);

//        进行验证
        if (codeSession != null && codeSession.equals(code)){
            LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>();
            queryWrapper.eq(User::getPhone,phone);
            User user = userService.getOne(queryWrapper);

            //判断当前手机号是否为新用户
            if (user == null){
                user = new User();
                user.setPhone(phone);
                user.setStatus(1);
                userService.save(user);
            }
            session.setAttribute("user",user.getId());

            //如果登录成功，删除Redis中缓存的验证码
            redisTemplate.delete(phone);
            return R.success(user);
        }

        return R.error("登录失败");
    }
}
